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CVE-2026-34837

MEDIUM CVSS 4.0: 5.3 EPSS 0.03%
Updated Apr 17, 2026
Zammad
Parameter Value
CVSS 5.3 (MEDIUM)
Fixed In 7.0.1
Type CWE-862 (Missing Authorization)
Vendor Zammad
Public PoC No

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, he REST endpoint POST /api/v1/ai_assistance/text_tools/:id contains an authorization failure. Context data (e.g., a group or organization) supplied to be used in the AI prompt were not checked if they are accessible for the current user.

This leads to having data present in the AI prompt that were not authorized before being used. A user needs to have ticket.agent permission to be able to use the provided context data. This vulnerability is fixed in 7.0.1.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Zammad Zammad
cpe:2.3:a:zammad:zammad:7.0.0:*:*:*:*:*:*:*